MALICIOUS
134
Risk Score
Malware Insights
MITRE ATT&CK
T1566.001 Spearphishing Attachment
The PDF contains embedded JavaScript, a common technique for delivering malicious content. The ML classifier and ClamAV detection strongly indicate malicious intent. The embedded JavaScript likely redirects to external URLs, such as the observed 'https://crysiq.ru/uplcv?utm_term=music+arrow+fnf+game+apk', which are often used for phishing or downloading further payloads.
Machine Learning
- Nyx PDF Classifier malicious score 0.9973
Heuristics 6
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ClamAV: Pdf.Phishing.Trojan-d2568dad23a94d95-d2568dad23a94d95-10044375-0 critical CLAMAV_DETECTIONClamAV detected this file as malware: Pdf.Phishing.Trojan-d2568dad23a94d95-d2568dad23a94d95-10044375-0
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Small PDF is a non-clustered link farm on disposable hosting medium PDF_SEO_DISPOSABLE_LINK_FARMSmall PDF contains many clickable external PDF links spread thin across many distinct hosts (no single dominant host), corroborated by a utm_term SEO-redirector link and/or links parked on free/disposable content hosts. This is the 'free document/template' SEO phishing PDF family, which ranks for search queries and routes users into payload/redirect chains, rather than a normal document citation pattern. The PDF itself carries no exploit — the risk is the linked destinations.
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Embedded JS stream low PDF_JSPDF references a /JS stream. Generic JavaScript is common in benign forms; specific dangerous APIs are scored by separate rules.
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External URI info PDF_URIPDF contains an external URL action
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Object number defined twice with different bodies info PDF_DUPLICATE_OBJ_BODY_INCREMENTALThe same indirect object (N G) is defined more than once with different body bytes. First-wins and last-wins readers will resolve different content, which is a parser-confusion shape used by targeted PDFs. Body-only differences are common in benign incremental updates, so severity is raised only when the duplicate carries active content.
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Embedded URL info EMBEDDED_URLOne or more URLs were extracted from the document. The URL itself is not a detection — see the per-URL labels for which channel (macro, JS, link annotation, document body, ...) reached each URL.URL https://crysiq.ru/uplcv?utm_term=music+arrow+fnf+game+apk PDF link annotation
- http://amsasecretariat.fr/userfiles/file/60125452334.pdfIn PDF document text
- http://lnianemarzenie.pl/userfiles/file/gevosumetesutaraxaw.pdfIn PDF document text
- https://pirkitpadangas.lt/ckfinder/userfiles/files/pilisas.pdfIn PDF document text
- http://ifaistos.reality.gr/~triantaf/images/file/zigejemekavujowesov.pdfIn PDF document text
- http://sns-russia.ru/userfiles/file/koxunilafa.pdfIn PDF document text
- https://onsale.social-push.cc/data/fckeditor/files/womozupob.pdfIn PDF document text
- http://siamintertrade.com/file_media/file_image/file/10171051677.pdfIn PDF document text
- http://orgue-chantepie.info/FCKeditor/upload/file/mufarat.pdfIn PDF document text
- https://dermatologie-francophone.com/userfiles/file/simufe.pdfIn PDF document text
- http://svaz-podnikani.cz/files/file/fevojixowavuj.pdfIn PDF document text
- http://prunay-en-yvelines.fr/ckfinder/userfiles/files/84911740942.pdfIn PDF document text
- http://classiccar-jp.com/js/upload/files/42421566640.pdfIn PDF document text
- http://uralinteh.com/uploads/files/wadota.pdfIn PDF document text
- https://amgaa.org/temp/files/tubexafezepuxeji.pdfIn PDF document text
- http://erex.hu/upload/file/46019378145.pdfIn PDF document text
- https://grandhotelbulgaria.com/userfiles/file/samevi.pdfIn PDF document text
- http://saringkarnwood.com/UserFiles/file/50837073978.pdfIn PDF document text
- https://www.hermanosvalerorecio.com/ckfinder/userfiles/files/wigodavobijurevezitino.pdfIn PDF document text
- http://herium.net/FileData/ckfinder/files/20210912_5B03955B54204755.pdfIn PDF document text
- http://domario.ru/userfiles/file/94260442360.pdfIn PDF document text
- https://bobecoingatlan.com/uploads/editor/file/62817234370.pdfIn PDF document text
- https://www.geosuiteonline.de/wp-content/plugins/formcraft/file-upload/server/content/files/1613a429ddc570---mopavimof.pdfIn PDF document text
- https://mariapolis.es/ckfinder/userfiles/files/petomavupuwano.pdfIn PDF document text
- https://www.champagne-cornevin.fr/ckfinder/userfiles/files/34179932794.pdfIn PDF document text
- http://www.vlaamspatientenplatform.be/_plugin/ckfinder/userfiles/files/suvutijaxakovasebujan.pdfIn PDF document text
- http://www.w3.org/1999/02/22-rdf-syntax-ns#In PDF document text
- http://purl.org/dc/elements/1.1/In PDF document text
- http://ns.adobe.com/pdf/1.3/In PDF document text
- http://ns.adobe.com/xap/1.0/In PDF document text
- http://ns.adobe.com/xap/1.0/mm/In PDF document text
- http://ns.adobe.com/xap/1.0/rights/In PDF document text
- http://dejavu.sourceforge.netIn PDF document text
- http://dejavu.sourceforge.net/wiki/index.php/LicenseIn PDF document text
Extracted artifacts 3
Files carved from inside the sample during analysis.
| Filename | Kind | Source | Size |
|---|---|---|---|
font_00_sfnt_off0000c323.bin |
pdf-font-stream | PDF embedded font (sfnt) at offset 0xC323 | 16792 bytes |
SHA-256: 9d2294e344127da9ddc2b77d68b1576b6b78373885bc9da2859f180a98f2c1e1 |
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font_01_sfnt_off0000db3a.bin |
pdf-font-stream | PDF embedded font (sfnt) at offset 0xDB3A | 10952 bytes |
SHA-256: 00e87441d17e16a2ec7bb68c050ea23b86b30adc4d5e99b149b638593ea4d79f |
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font_02_sfnt_off0000f4b1.bin |
pdf-font-stream | PDF embedded font (sfnt) at offset 0xF4B1 | 17768 bytes |
SHA-256: 9fb82dffbd0bc2d5a73b36d2e3808c7351346ecbb5a28b01f0e83263f56eb509 |
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